Class: MockRedis::Database

Inherits:
Object
  • Object
show all
Includes:
HashMethods, ListMethods, SetMethods, StringMethods, ZsetMethods
Defined in:
lib/mock_redis/database.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from ZsetMethods

#zadd, #zcard, #zcount, #zincrby, #zinterstore, #zrange, #zrangebyscore, #zrank, #zrem, #zremrangebyrank, #zremrangebyscore, #zrevrange, #zrevrangebyscore, #zrevrank, #zscore, #zunionstore

Methods included from StringMethods

#[], #[]=, #append, #decr, #decrby, #get, #getbit, #getrange, #getset, #incr, #incrby, #mget, #mset, #msetnx, #set, #setbit, #setex, #setnx, #setrange, #strlen

Methods included from SetMethods

#sadd, #scard, #sdiff, #sdiffstore, #sinter, #sinterstore, #sismember, #smembers, #smove, #spop, #srandmember, #srem, #sunion, #sunionstore

Methods included from ListMethods

#blpop, #brpop, #brpoplpush, #lindex, #linsert, #llen, #lpop, #lpush, #lpushx, #lrange, #lrem, #lset, #ltrim, #rpop, #rpoplpush, #rpush, #rpushx

Methods included from HashMethods

#hdel, #hexists, #hget, #hgetall, #hincrby, #hkeys, #hlen, #hmget, #hmset, #hset, #hsetnx, #hvals

Constructor Details

#initialize(*args) ⇒ Database

Returns a new instance of Database.



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# File 'lib/mock_redis/database.rb', line 19

def initialize(*args)
  @data = {}
  @expire_times = []
end

Instance Attribute Details

#data ⇒ Object (readonly)

Returns the value of attribute data.



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# File 'lib/mock_redis/database.rb', line 17

def data
  @data
end

#expire_times ⇒ Object (readonly)

Returns the value of attribute expire_times.



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# File 'lib/mock_redis/database.rb', line 17

def expire_times
  @expire_times
end

Instance Method Details

#auth(_) ⇒ Object

Redis commands go below this line and above ‘private’



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# File 'lib/mock_redis/database.rb', line 32

def auth(_) 'OK' end

#bgrewriteaof ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 34

def bgrewriteaof() "Background append only file rewriting started" end

#bgsave ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 36

def bgsave() "Background saving started" end

#dbsize ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 38

def dbsize
  data.keys.length
end

#del(*keys) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 42

def del(*keys)
  keys.
    find_all{|key| data[key]}.
    each {|k| persist(k)}.
    each {|k| data.delete(k)}.
    length
end

#echo(msg) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 50

def echo(msg)
  msg.to_s
end

#exists(key) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 71

def exists(key)
  data.has_key?(key)
end

#expire(key, seconds) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 54

def expire(key, seconds)
  expireat(key, Time.now.to_i + seconds.to_i)
end

#expire_keys ⇒ Object

This method isn’t private, but it also isn’t a Redis command, so it doesn’t belong up above with all the Redis commands.



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# File 'lib/mock_redis/database.rb', line 418

def expire_keys
  now = Time.now

  to_delete = expire_times.take_while do |(time, key)|
    time <= now
  end

  to_delete.each do |(time, key)|
    del(key)
  end

  expire_times.slice!(0, to_delete.length)
end

#expireat(key, timestamp) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 58

def expireat(key, timestamp)
  unless looks_like_integer?(timestamp.to_s)
    raise RuntimeError, "ERR value is not an integer or out of range"
  end

  if exists(key)
    set_expiration(key, Time.at(timestamp.to_i))
    true
  else
    false
  end
end

#flushdb ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 75

def flushdb
  data.keys.each {|k| del(k)}
  'OK'
end

#info ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 80

def info
  astats = [
    ["2", "2699"],
    ["6", "1"],
    ["7", "1"],
    ["8", "17197"],
    ["9", "109875"],
    ["10", "94348"],
    ["11", "32580"],
    ["12", "52347"],
    ["13", "86475"],
    ["14", "58175"],
    ["15", "53408"],
    ["16", "876949"],
    ["17", "71157"],
    ["18", "5104"],
    ["19", "2705"],
    ["20", "2903"],
    ["21", "1024"],
    ["22", "2546"],
    ["23", "952"],
    ["24", "186080"],
    ["25", "611"],
    ["26", "40936"],
    ["27", "960"],
    ["28", "1323"],
    ["29", "14216"],
    ["30", "52412"],
    ["31", "21130"],
    ["32", "47959"],
    ["33", "6891"],
    ["34", "9712"],
    ["35", "3366"],
    ["36", "5737"],
    ["37", "11274"],
    ["38", "8057"],
    ["39", "2957"],
    ["40", "51200"],
    ["42", "8220"],
    ["43", "8278"],
    ["44", "6539"],
    ["45", "764"],
    ["47", "1018"],
    ["48", "19250"],
    ["49", "713"],
    ["51", "51"],
    ["53", "2"],
    ["55", "3922"],
    ["56", "153"],
    ["57", "614"],
    ["58", "1"],
    ["59", "1775"],
    ["61", "32865"],
    ["63", "2530"],
    ["64", "565"],
    ["65", "1322"],
    ["67", "1572"],
    ["69", "1421"],
    ["71", "1220"],
    ["72", "241"],
    ["73", "5432"],
    ["74", "1122"],
    ["75", "2555"],
    ["77", "1539"],
    ["78", "612"],
    ["79", "902"],
    ["81", "1678"],
    ["83", "51"],
    ["84", "612"],
    ["85", "706"],
    ["87", "410"],
    ["88", "5435"],
    ["89", "813"],
    ["90", "612"],
    ["93", "153"],
    ["94", "612"],
    ["96", "159"],
    ["97", "306"],
    ["99", "153"],
    ["101", "456"],
    ["103", "741"],
    ["105", "447"],
    ["107", "754"],
    ["109", "414"],
    ["111", "475"],
    ["113", "757"],
    ["115", "287"],
    ["117", "420"],
    ["118", "765"],
    ["119", "642"],
    ["120", "159"],
    ["121", "926"],
    ["122", "612"],
    ["123", "251"],
    ["125", "390"],
    ["127", "354"],
    ["128", "617"],
    ["129", "528"],
    ["131", "298"],
    ["132", "612"],
    ["133", "809"],
    ["135", "244"],
    ["136", "306"],
    ["137", "504"],
    ["139", "201"],
    ["141", "1124"],
    ["143", "139"],
    ["144", "159"],
    ["145", "1322"],
    ["147", "410"],
    ["149", "253"],
    ["151", "304"],
    ["153", "312"],
    ["155", "249"],
    ["157", "306"],
    ["159", "348"],
    ["161", "255"],
    ["163", "458"],
    ["165", "5"],
    ["167", "306"],
    ["168", "47"],
    ["169", "214"],
    ["171", "250"],
    ["173", "5"],
    ["177", "10"],
    ["179", "158"],
    ["181", "5"],
    ["183", "10"],
    ["185", "51"],
    ["187", "49"],
    ["191", "5"],
    ["192", "47"],
    ["193", "51"],
    ["197", "112"],
    ["199", "5"],
    ["201", "5"],
    ["203", "5"],
    ["209", "5"],
    ["213", "51"],
    ["217", "102"],
    ["225", "357"],
    ["229", "51"],
    ["233", "204"],
    ["237", "51"],
    ["239", "1"],
    ["247", "46"],
    ["255", "102"],
    [">=256", "6201"],
  ]

  {
    "allocation_stats" => astats.map {|(a,b)| "#{a}=#{b}"}.join(','),
    "aof_enabled" => "0",
    "arch_bits" => "64",
    "bgrewriteaof_in_progress" => "0",
    "bgsave_in_progress" => "0",
    "blocked_clients" => "0",
    "changes_since_last_save" => "0",
    "client_biggest_input_buf" => "0",
    "client_longest_output_list" => "0",
    "connected_clients" => "1",
    "connected_slaves" => "0",
    "db0" => "keys=8,expires=0",
    "evicted_keys" => "0",
    "expired_keys" => "0",
    "hash_max_zipmap_entries" => "512",
    "hash_max_zipmap_value" => "64",
    "keyspace_hits" => "62645",
    "keyspace_misses" => "29757",
    "last_save_time" => "1310596333",
    "loading" => "0",
    "lru_clock" => "1036434",
    "mem_fragmentation_ratio" => "2.04",
    "multiplexing_api" => "kqueue",
    "process_id" => "14508",
    "pubsub_channels" => "0",
    "pubsub_patterns" => "0",
    "redis_git_dirty" => "0",
    "redis_git_sha1" => "00000000",
    "redis_version" => "2.2.11",
    "role" => "master",
    "total_commands_processed" => "196800",
    "total_connections_received" => "4359",
    "uptime_in_days" => "0",
    "uptime_in_seconds" => "84215",
    "use_tcmalloc" => "0",
    "used_cpu_sys" => "5.54",
    "used_cpu_sys_childrens" => "0.00",
    "used_cpu_user" => "7.65",
    "used_cpu_user_childrens" => "0.02",
    "used_memory" => "931456",
    "used_memory_human" => "909.62K",
    "used_memory_rss" => "1904640",
    "vm_enabled" => "0",
  }
end

#initialize_copy(source) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 24

def initialize_copy(source)
  @data = @data.clone
  @data.keys.each {|k| @data[k] = @data[k].clone}
  @expire_times = @expire_times.map{|x| x.clone}
end

#keys(format) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 277

def keys(format)
  data.keys.grep(redis_pattern_to_ruby_regex(format))
end

#lastsave ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 281

def lastsave
  Time.now.to_i
end

#persist(key) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 285

def persist(key)
  if exists(key) && has_expiration?(key)
    remove_expiration(key)
    true
  else
    false
  end
end

#ping ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 294

def ping
  'PONG'
end

#quit ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 298

def quit
  'OK'
end

#randomkey ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 302

def randomkey
  data.keys[rand(data.length)]
end

#rename(key, newkey) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 306

def rename(key, newkey)
  if key == newkey
    raise RuntimeError, "ERR source and destination objects are the same"
  end
  data[newkey] = data.delete(key)
  'OK'
end

#renamenx(key, newkey) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 314

def renamenx(key, newkey)
  if key == newkey
    raise RuntimeError, "ERR source and destination objects are the same"
  end
  if exists(newkey)
    false
  else
    rename(key, newkey)
    true
  end
end

#save ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 326

def save
  'OK'
end

#ttl(key) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 330

def ttl(key)
  if has_expiration?(key)
    (expiration(key) - Time.now).to_i
  else
    -1
  end
end

#type(key) ⇒ Object 



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# File 'lib/mock_redis/database.rb', line 338

def type(key)
  if !exists(key)
    'none'
  elsif hashy?(key)
    'hash'
  elsif stringy?(key)
    'string'
  elsif listy?(key)
    'list'
  elsif sety?(key)
    'set'
  elsif zsety?(key)
    'zset'
  else
    raise ArgumentError, "Not sure how #{data[key].inspect} got in here"
  end
end